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1966624230 = 23565554141
BaseRepresentation
bin111010100111000…
…0100110111100110
312002001112212021110
41311032010313212
513011423433410
6523051325450
766510013224
oct16516046746
95061485243
101966624230
1191a12098a
1246a750886
1325458c99c
1414928bb14
15b79bd720
hex75384de6

1966624230 has 16 divisors (see below), whose sum is σ = 4719898224. Its totient is φ = 524433120.

The previous prime is 1966624213. The next prime is 1966624271. The reversal of 1966624230 is 324266691.

It is a super-2 number, since 2×19666242302 = 7735221724046185800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32777041 + ... + 32777100.

It is an arithmetic number, because the mean of its divisors is an integer number (294993639).

Almost surely, 21966624230 is an apocalyptic number.

1966624230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1966624230 is an abundant number, since it is smaller than the sum of its proper divisors (2753273994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1966624230 is a wasteful number, since it uses less digits than its factorization.

1966624230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65554151.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 1966624230 is about 44346.6371893067. The cubic root of 1966624230 is about 1252.8732263295.

The spelling of 1966624230 in words is "one billion, nine hundred sixty-six million, six hundred twenty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 65554141 131108282 196662423 327770705 393324846 655541410 983312115 1966624230